A film about Nick Cave heralds the start of this year's festival on 4 June, with a Robert Altman retrospective and a Richard Linklater movie that took 12 years to film among the highlights. Here's a rundown of the films you shouldn't miss, writes
Lynden Barber

As TV's Fargo begins its Channel 4 run, a film based on the mysterious story of a Japanese woman who froze to death in Minnesota – in pursuit, allegedly of the Coens' original kidnap ransom, debuts at Sundance London, writes Damon Wise